High-Speed WiFi : 256QAM support increases the 2.4 GHz data rate from 150 Mbps to 200 Mbps. 200 Mbps on the 2.4 GHz band and 433 Mbps on the 5 GHz band provide fast AC WiFi. Dual Band Wireless : 2.4 GHz and 5 GHz band provide flexible connectivity, giving your devices access to the latest dual-band WiFi router for faster speed and extended range High-Gain Antenna : A 5dBi high-gain antenna greatly enhances the reception and transmission signal strength of the USB adapter Supports the Latest Operating Systems : Fully compatible with Windows 10/8.1/8/7/XP and Mac OS X